When more than three switches are needed you may simply place more 4 way switches between the three way switches. 4 way switches are a convenient way to operate lighting fixtures from three or more locations.
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How to change a light switch with 4 wires. How to replace a four way light switch. The main wire that will go from one switch to the other should have 4 wires total black white ground and red. If any of the wires seem weakened trim and re strip the end of the wire to meet your needs. After you do this remove the switch cover plate and test the wires with a voltage tester for safety. Youll need access to the white neutral wires. Unscrew and remove the switch plate.
Most 4 way switch wiring is placed between the wiring of two 3 way switches. Identify the three different colored wires and attach the new light switch to the wires in the same way they had been attached to the old switch. Fully explained 4 way switch diagrams. An incoming hot wire which is black. Turn on the switch then place one lead of the tester on either of the black wires connected to the switch and the other lead on the green ground screw. Unscrew and remove the switch plate.
Then use a voltage tester to make sure that the circuit is dead. Light switches operate by providing an operational break in the hot circuit wire leading to a light fixture or other device. Flipping the switchs lever opens and closes the hot wire circuit leading to the light fixture allowing you to turn it on and off at will. Normally when you replace a light switch you would leave the neutral wires alone but in this case well be connecting them to the new combo switch. If you get a light or a non zero meter reading the circuit is live. 4 way switch wiring.
To replace this kind of switch follow these steps. The black wire is going to be connected to the black screw on the switch. Now that the light switch is completely removed well need to prepare for the installation of the combo switch. Turn off the power to the switch at the circuit panel or fuse box. Two or three wires will be attached to the switch. Unscrew the switch from the electrical box and pull it out with the wires still attached.
Turn off the power to the switch at the main circuit breaker or fuse panel. Inspect the quality of the wires. Review the diagram below for basic three way wiring instructions. Then use a voltage tester to make sure that the circuit is dead. Unscrew the switch from the electrical box and pull it out with the. A return wire which carries the load to the fixture and may be black red or any other color except green.
Gallery of How To Change A Light Switch With 4 Wires
